LARGE-SIZED CERAMIC BASE PLATE

PROBLEM TO BE SOLVED: To provide a large-sized ceramic base plate capable of preventing occurrence of a flash when the base plate is divided via snap lines, preventing a dimensional unevenness, and preventing occurrence of a crack due to an abrupt base plate contraction when the base plate is baked...

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Bibliographische Detailangaben
1. Verfasser: MIWA SHOICHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a large-sized ceramic base plate capable of preventing occurrence of a flash when the base plate is divided via snap lines, preventing a dimensional unevenness, and preventing occurrence of a crack due to an abrupt base plate contraction when the base plate is baked or handling at a mounting time. SOLUTION: The large-sized ceramic base plate 10 comprises a plurality of base plates by forming individual dividing grooves 20 and 30 and dividing along the grooves 20 and 30 so that the partial vicinity where the grooves 20 and 30 are crossed becomes deeper than the other part.